content: package com.akansh.fileserversuit;
  
  import android.graphics.Bitmap;
  import android.graphics.Canvas;
  import android.graphics.drawable.BitmapDrawable;
  import android.graphics.drawable.Drawable;
  
  import java.io.File;
  import java.io.FileOutputStream;
  
  public class IconUtils {
      public Bitmap drawableToBitmap(Drawable drawable) {
          Bitmap bitmap;
          if (drawable instanceof BitmapDrawable) {
              BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable;
              if(bitmapDrawable.getBitmap() != null) {
                  return bitmapDrawable.getBitmap();
              }
          }
          if(drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) {
              bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888); // Single color bitmap will be created of 1x1 pixel
          } else {
              bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
          }
          Canvas canvas = new Canvas(bitmap);
          drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
          drawable.draw(canvas);
          return bitmap;
      }
      public boolean writeBitmapToFile(Bitmap bm,File imageFile) {
          FileOutputStream fos = null;
          try {
              fos = new FileOutputStream(imageFile);
              bm.compress(Bitmap.CompressFormat.PNG,50,fos);
              fos.close();
              return true;
          } catch (Exception e) {
              //Do Nothing...
          }
          return false;
      }
  }
  